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Or I just expose my malicious share to the Internet. No mounting step necessary.

file://<Evil-IP>/evil.js

The CSP policy was 'self'. The problem is that all file:// URIs share an origin in Electron.

So, 'self' is ALL file:// URIs.

If I remember correctly, on Windows you can reference file://<IP-Address>/path/to/file

Thanks SMB / UNC Paths.

In Electron, all file:/// URIs share an origin. Using `script-src: 'self'` isn't much of a boundary.

They really missed an opportunity to have their URL be https://evaluate-csp.withgoogle.com